Answer:
When liquid splashes me, none seeps through. When I am moved a lot, liquid I spew. When I am hit, color I change. And color, I come in quite a range. What I cover is very complex, and I am very easy to flex.
Who is he that runs without a leg. And his house on his back?
A harvest sown and reaped on the same day in an unplowed field. Which increases without growing, remains whole though it is eaten within and without. Is useless and yet the staple of nations.
I can be cracked, I can be made. I can be told, I can be played.
This is in a realm of true and in a realm false, but you experience me as you turn and toss.
What is so fragile that saying its name breaks it?